Farmers and Merchants Trust Company of Chambersburg, Mechanicsburg Branch Basic Info Reviews Routing Numbers Map & Direction Name: Farmers and Merchants Trust Company of Chambersburg, Mechanicsburg Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 6375 Carlisle Pike Mechanicsburg, Pennsylvania 17055 Cumberland County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer031304306YY031310507YN031314707YN From: To: